code: def test_first_dissolve(nybb_polydf, first):
      test = nybb_polydf.dissolve("manhattan_bronx")
      assert_frame_equal(first, test, check_column_type=False)
  
imports: import warnings
  import numpy
  import pandas
  import geopandas
  from geopandas import GeoDataFrame, read_file
  from pandas.testing import assert_frame_equal
  import pytest
  from geopandas._compat import PANDAS_GE_15, PANDAS_GE_20
  from geopandas.testing import assert_geodataframe_equal, geom_almost_equals
label_desc: Use image node_id 8 for calling a global function with example usage: test_first_dissolve(nybb_polydf, first) without return types